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  1. Comparing escape velocities on Earth and Mars - Physics Forums

    Apr 2, 2005 · The discussion revolves around comparing escape velocities on Earth and Mars, specifically focusing on the mass and radius of Mars relative to Earth. Participants are exploring how …

  2. Finding Escape Speed on Mars: Advanced Gravitational Potential Energy

    Jul 16, 2012 · The discussion revolves around calculating escape speed on Mars using gravitational potential energy concepts. The original poster presents a problem involving the mean diameters and …

  3. Hohmann transfer ellipse to Mars orbit from LEO - Physics Forums

    Dec 13, 2018 · At minimal escape velocity, the maximal total departure velocity of the satellite from the sun's referential would be 40 700 m/s. However, this velocity drops as the satellite moves away from …

  4. How to calculate mass of fuel needed to escape Earth gravity vs. Mars ...

    Sep 28, 2011 · This discussion focuses on calculating the mass of fuel required for a bi-propellant rocket to escape the gravitational pull of Earth and Mars. The escape velocities are established as 11,200 …

  5. Length of acceleration for a rock fragment escaping Mars

    Sep 23, 2012 · The discussion revolves around the physics of a rock fragment escaping Mars, specifically focusing on the acceleration required to reach escape velocity and the duration of that …

  6. Calculating Fuel-Payload Ratio for Martian Rocket Lift-off

    Dec 3, 2018 · For comparison, escape velocity from the surface of Mars is ~5 km/sec Using an isp of 450, and solving for the mass ratio, we get an MR of ~2.28, meaning you need a minimum * of 1.28 …

  7. Solve for Escape Velocity on Mars: Differential Equation Method

    Feb 28, 2026 · The radius of Mars is 2100 miles. Determine the velocity of a particle projected in a radial direction outward from Mars and acted upon by only the gravitational attraction of Mars by first …

  8. Understanding 'Escape Velocity' - Debunking Misconceptions

    Aug 4, 2005 · Participants explore theoretical and practical aspects of escape velocity, including its relationship to thrust, weight, and orbital paths. Some participants argue that the term 'escape …

  9. Escape Velocity = Freefall from Height of One Radius?

    Feb 9, 2016 · I was doing some calculations using the escape velocities from Earth, Moon and Mars. Then by chance I calculated the velocities attained when an object was "dropped" from a height of …

  10. Calculating Escape Velocity of Mars from the Sun's gravitational field

    May 7, 2013 · Mars orbits the Sun at a distance of 2.3 * 10^10 m with a speed of 24000 m/s. If it's speed were increased to 30000 m/s, at a time when no other planet was nearby, would Mars leave the …